// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_RENDERER_GPU_QUEUE_MESSAGE_SWAP_PROMISE_H_
#define CONTENT_RENDERER_GPU_QUEUE_MESSAGE_SWAP_PROMISE_H_

#include <stdint.h>

#include "base/memory/ref_counted.h"
#include "cc/output/swap_promise.h"

namespace IPC {
class SyncMessageFilter;
}

namespace content {

class FrameSwapMessageQueue;

class QueueMessageSwapPromise : public cc::SwapPromise {
public:
    QueueMessageSwapPromise(scoped_refptr<IPC::SyncMessageFilter> message_sender,
        scoped_refptr<FrameSwapMessageQueue> message_queue,
        int source_frame_number);

    ~QueueMessageSwapPromise() override;

    void DidActivate() override;
    void WillSwap(cc::CompositorFrameMetadata* metadata) override;
    void DidSwap() override;
    DidNotSwapAction DidNotSwap(DidNotSwapReason reason) override;

    int64_t TraceId() const override;

private:
    void PromiseCompleted();

    scoped_refptr<IPC::SyncMessageFilter> message_sender_;
    scoped_refptr<content::FrameSwapMessageQueue> message_queue_;
    int source_frame_number_;
#if DCHECK_IS_ON()
    bool completed_;
#endif
};

} // namespace content

#endif // CONTENT_RENDERER_GPU_QUEUE_MESSAGE_SWAP_PROMISE_H_
